excipient
substance formulated alongside the active ingredient of a medication
activated carbon
form of carbon processed to have small, low-volume pores that increase the surface area
penetration enhancer
substance that facilitates penetration of drugs into or through skin or other biological membranes
starch
carbohydrate consisting of a large number of glucose units joined by glycosidic bond
photosensitizer
molecule that produces a chemical change in another molecule in a photochemical process
ethyl cellulose
polymer
grease
semi-solid, oily lubricant
sugar
short-chain, water-soluble carbohydrate
liquid paraffin
mineral oil used in cosmetics and medicine
humectant
hygroscopic substance used to keep things moist
polyvinylpyrrolidone
polymer
hydraulic fluid
medium to transfer power in hydraulic machinery